When Charalambos Theologou was assassinated in a Starbucks in early October, police were monitoring him so closely that there were undercover officers in the café at that very moment. Court documents and police sources reveal that investigators were well informed about his alleged involvement in both extortion and in the criminal world. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC